CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CONSOLIDATED STATEMENTS OF INCOME
Royalty revenue from a related party, net of amortization of capitalized fees paid to a related party of $3,456 in three months ended March 31, 2021 and 2020	$ 85,518	$ 78,678
Operating expenses:
Research and development	49	0
General and administrative	5,986	2,563
Total operating expenses	6,035	2,563
Income from operations	79,483	76,115
Other income (expense), net	(433)	68
Interest income	30	1,302
Interest expense	(4,694)	(4,516)
Changes in fair values of equity and long-term investments, net	55,045	21,915
Income before income taxes	129,431	94,884
Income tax expense, net	(19,736)	(15,932)
Net income	109,695	78,952
Net income attributable to noncontrolling interest	15,572	13,515
Net income attributable to Innoviva stockholders	$ 94,123	$ 65,437
Basic net income per share attributable to Innoviva stockholders	$ 0.93	$ 0.65
Diluted net income per share attributable to Innoviva stockholders	$ 0.84	$ 0.59
Shares used to compute Innoviva basic and diluted net income per share:
Shares used to compute basic net income per share	101,365	101,235
Shares used to compute diluted net income per share	113,624	113,509